GPT-5.2 vs Grok 4.5
Head-to-head comparison across 2benchmark categories. Overall scores shown here use BenchLM's provisional ranking lane.
Verdict
GPT-5.2 leads for most workloads by a narrow margin.
Based on BenchLM composite scores, July 2026.
GPT-5.2
75
Grok 4.5
75
Verified leaderboard positions: GPT-5.2 #30 · Grok 4.5 unranked
Treat this as a split decision. GPT-5.2 makes more sense if its workflow fits your team better; Grok 4.5 is the better fit if agentic is the priority or you want the cheaper token bill.
Category Radar
Head-to-Head by Category
Category Breakdown
| Benchmark | GPT-5.2 | Δ | Grok 4.5 |
|---|---|---|---|
| Agentic | 55.7 | → 27.6 | 83.3 |
| Coding | 64.7 | tie | 64.7 |
| Reasoning | 52.9 | — | — |
| Knowledge | 92.4 | — | — |
| Multimodal | 80.4 | — | — |
Operational Comparison
GPT-5.2
Grok 4.5
$1.75 / $14
$2 / $6
73 t/s
N/A
130.34s
N/A
400K
500K
Quick Verdict
Treat this as a split decision. GPT-5.2 makes more sense if its workflow fits your team better; Grok 4.5 is the better fit if agentic is the priority or you want the cheaper token bill.
GPT-5.2 and Grok 4.5 finish on the same provisional overall score, so this is less about a single winner and more about where the edge shows up. The provisional headline says tie; the benchmark table is where the real choice happens.
Grok 4.5's sharpest advantage is in coding, where it averages 64.7 against 64.7. The single biggest benchmark swing on the page is SWE-bench Pro, 55.6% to 64.7%. GPT-5.2 does hit back in agentic, so the answer changes if that is the part of the workload you care about most.
GPT-5.2 is also the more expensive model on tokens at $1.75 input / $14.00 output per 1M tokens, versus $2.00 input / $6.00 output per 1M tokens for Grok 4.5. That is roughly 2.3x on output cost alone. Grok 4.5 gives you the larger context window at 500K, compared with 400K for GPT-5.2.
Benchmark Deep Dive
Frequently Asked Questions (3)
Which is better, GPT-5.2 or Grok 4.5?
GPT-5.2 and Grok 4.5 are tied on the provisional overall score, so the right pick depends on which category matters most for your use case.
Which is better for coding, GPT-5.2 or Grok 4.5?
GPT-5.2 and Grok 4.5 are effectively tied for coding here, both landing at 64.7 on average.
Which is better for agentic tasks, GPT-5.2 or Grok 4.5?
Grok 4.5 has the edge for agentic tasks in this comparison, averaging 83.3 versus 55.7. GPT-5.2 stays close enough that the answer can still flip depending on your workload.
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